Sony CDX-GT820IP Service Manual ▷ View online
CDX-GT820IP
CDX-GT820IP
17
17
1 ANT
SCL
SDA
CDMON
CDON
CDON
ELECTRONIC VOLUME
IC401
SUB OUT AMP
IC460
J1
(ANTENNA)
TU1
(TUNER UNIT)
POWER AMP,
MULTI VOLTAGE REGULATOR
IC300
SYSTEM CONTROL
IC303 (1/2)
CN300
(REAR)
(FRONT)
(REAR)
(FRONT)
BATT
6 CD-LCH
5 CD-RCH
5 CD-RCH
6
S-METER
7
TUN MUTE
83 VSM
EESIO
EECKO
5
QUALITY
82 QUALITY
16 CDM ON
24 FUNC SEL
49 CD ON
50 Z MUTE
50 Z MUTE
11
VDD+5V
4
L-CH
3
R-CH
BU+3.3V
10
VCC+8.3V
21 TUNER ATT
CD ON
CDM ON
CD L
CD R
4 TU-LCH
3 TU-RCH
3 TU-RCH
CD-RCH
A ATT
TU-RCH
AUDIO+8.3V
AUDIO+8.3V
19
SAOUT
18
SADA
5
3
3
OUT FL+
OUT FL–
9
7
7
OUT RL+
OUT RL–
29
27
27
AMP REM
R-CH
ANT REM
37
AUDIO+B
35
VP
20
VP1
6
VP2
BU+B
31
33
33
SERVO+3.3V
MECHA+6V
34
PANEL+B
28
MUTE
2 SDA
AUDIO+8.3V
BU+5V
SERVO+3.3V
MECHA+6V
PANEL+B
BU+5V
SERVO+3.3V
MECHA+6V
PANEL+B
4 SCL
SDA
SCL
SCL
16 BEEP
22 STB
25 DIAG
22 STB
25 DIAG
13
7
10
12
11
16
1
9
9
2
4
3
5
6
6
29
30
30
SCL
SDA
SCL
E-CLK
E-DATA
S OUT
SDA
SCL
SDA
35
25
25
E-MUTE
ATT
27
I2C CKO
28
I2C SIO
12 IN RR
FL+
FL–
FL–
RL+
RL–
RL–
FR+
FR–
RR+
RR–
FR–
RR+
RR–
AMP-REM
ANT-REM
ANT-REM
ACC
17
SACLK
MUTE
Q452
REAR
MUTE DRIVE
Q491,492
BU IN 73
UNI SI 4
57
BUS ON
RESET
52
ACC IN
ACC DETECT
Q702
BATT
BATTERY
CHECK
Q605
MUTE
Q352
MUTE
Q405
MUTE CONTROL
SWITCH
Q403
IPOD/AUX
SELECT CONTROL
Q210
MUTE
Q440
S OUT
E-DATA
85
SP IN
36
E-DATA
E-CLK
37
E-CLK
D491
FU601
FRONT
R-CH
23
24
24
OUT–RL
OUT–RR
R-CH
L
-3
-4
-5
-6
-1
-2
R
J652 (2/2)
R-CH
25
26
26
OUT–FL
OUT–FR
R-CH
L
R
SUB OUT
(MONO)
22
SUBOUT–R
32
FIL
D602
BATT
BATT
CNJ400
(BUS CONTROL IN)
D603
D353
BUS INTERFACE
IC601
DISPLAY
SECTION
A
STB
DISPLAY
SECTION
B
BATT
+5V REG
Q3
15
E2PVDD
13
SCL
16
E2PSCL
17
E2PSDA
14
SDA
BU+5V
+3.3V REG
IC301
11 IN RF
TEL ATT
53
TELATT
14
ILL
51
ILLU IN
40
AMP DIAG
41
AMPSTB
20
BEEP
AUX
BUS AUDIO IN
J901
IPOD
CONNECTOR
3
1
2
AUX-RCH
IPOD-RCH
IPOD-AUD-R
IPOD-AUD-L
IPOD-AUD-GND
9 AUX-LCH
8 AUX-GND
7 AUX-RCH
RCH
2 BUS-LCH
1 BUS-RCH
1 BUS-RCH
BUS-RCH
BUS-RCH
CD-RCH
TU-RCH
ZMUTE
45 WAKE UP OUT
W/U OUT
47 EJECT OK
EJECT OK
34 CD RX
CD RX
33 CD TX
CD TX
65 NC
VBUS ON
46 OPEN REQ
OPEN REQ
Z MUTE
SYS RST
MECHA+6V
BU+3.3V
BU+3.3V
SERVO+3.3V
B/U CHECK
RXD
TXD
DR+6V
BU+3.3V
A+3.3V
CDON
CDMON
ZMUTE
WAKE UP
W/U OUT
SYSRST
EJECT OK
EJECT OK
BU IN
OPEN REQ
VBUS ON
VBUS ON
OPEN REQ
CD TX
CD RX
CD
MECHANISM
UNIT
(MG-101I)
(1/2)
SYSRST
BU-IN
ILL DETECT
Q703
30
56
SYSRESET
5
UNI CKO
3
UNI SO
B/U-C
DATA OUT
BUS ON
BUS ON
RST
BATT
CLK
DATA I/O
RST
CLK IN
DATA IN
BATT
J652 (1/2)
L
R
-1
-2
22
23
TEL-ATT DETECT
Q701
13
12
11
10
9
8
1
2
2
1
7
8
3
5
4
6
3
4
6
AUDIO
OUT
5
3
7
1
BOOST AMP
IC402
OUT(RL)
OUT(FL)
RL+
FL+
17
5
19
3
IPOD/AUX GND FILTER
IC470
IPOD/AUX
SELECT SWITCH
IC471
7
5
4
11
10
9
3
15
1
1
2
2
3
5
5
MUTE CONTROL
SWITCH
Q155
MUTE CONTROL
SWITCH
Q154,156,157
MUTE
Q153
MUTE
Q212
MUTE
Q213
MUTE
Q152
CN200
• Signal Path
• R-CH is omitted due to same as L-CH.
J
: CD
K
: FM
L
: AUX
f
: AM
g
: BUS AUDIO
c
: iPod
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
J
J
K
L
g
g
L
K
f
K
c
c
5-1. BLOCK DIAGRAM – MAIN Section –
(Page 18)
(Page 18)
CDX-GT820IP
CDX-GT820IP
18
18
RESET
MAIN
SECTION
A
11
13
84
SYSTEM CONTROL
IC303 (2/2)
DC-DC
CONVERTER
IC620
FL DRIVER,LED CONTROL
IC901
FL901
FLUORESCENT
INDICATOR TUBE
REMOTE CONTROL
SIGNAL RECEIVER
IC903
CE
SYS SO
SYS SO
33
99
3
FL DATA1
FL DATA2
FL DATA3
26
BLINK
78 RE0
77 RE1
77 RE1
55 RC IN1
87 KEYACK2
86 RC IN0
79 NOSE
KEY IN0
88 KEY ACK0
MAIN
SECTION
B
STB
10 RESET
95 DOORIND
XOUT
XIN
72
FL ON
58
FSW OUT
X302
6MHz
1
10
29
RESET
SYS CLK
31
30 SYS SI
CNVSS
7
BU+3.3V
BATT
KEY MATRIX
S902–914
2
FSW IN
8
9
XOUT
XIN
X301
32.768kHz
91
DOOR
IPOD–DET
IPOD
CONNECTOR
IPOD–CHARGE
IPOD–TX5V
IPOD–3.3V
IPOD–RX5V
63
IPOD DET
11
13
XOUT
FL F+
FL F–
FLVDD2(55V)
FLVDD1(3.3V)
XIN
X901
6.75MHz
PUSH ENTER/ SOUND/ MENU
RE901
ROTARY
ENCODER
KEY MATRIX
S701,915,916
S302
FRONT PANEL
DETACHABLE DETECT
RESET
IC302
LED917–920
91
ILL BLUE
90
ILL GREEN
92
ILL RED
BATT
CS
CT
OUT
VCC
IN
FL F+
FL F–
FL VDD2(55V)
BATT
D640
D623
D622
T620
DC-DC CONVERTER
TRANSFORMER
RED LED
DRIVER
Q902
6
5
S103
RESET
LED701
;
LED702
DOOR
INDICATOR
3
OUT
S901
CD
MECHANISM
UNIT
(MG–101I)
(2/2)
D905
D600
BU+5V
FLVDD1(3.3V)
TXD (IPOD)
IPOD CHECK
74
FLD ON
1 VIN
2
CONT
IPOD CHARGE CONTROL
IC250
3
VOUT
7
4
1
J370
(REMOTE IN)
LED DRIVER
Q601,602
FSW CONTROL
Q621,622
RESET
IC902
CNVSS
BUFFER
Q910,911
FRONT PANEL
OPEN/CLOSE
DETECT SWITCH
Q606,607
FL ON
SWITCH
Q624
RXD (IPOD)
1
8
2
3
5
LED901–904,
906–916
PANEL+B
GREEN LED
DRIVER
Q903
BLUE LED
DRIVER
Q904
LED
DRIVER
Q905
BATT
5
1
+3.3V REG
IC600
4
POWER
CONTROL
Q623,642
89 SIRCS
KEY IN2
95
93 KEY IN1
18 SI1
19 SI2
20 SI3
24
LAT TA2 OUT
11 LAT
28
GCP TA0 OUT
13 GCP
35
FL CLK
17 CLK
22
BK TA3 OUT
10 BK
6 VDD1
9 VDD2
9 VDD2
1 F+
2 F+
3 F+
2 F+
3 F+
38 F–
39 F–
40 F–
39 F–
40 F–
19
GCP TA4 IN
100
DISP CKO
99
DISP SO
98
93
DISP CE
DISP SI
90
DISP RESET
VOLTAGE
DETECT
Q641
IPOD TX5V
CONTROL
SWITCH
Q252,253
IPOD DETECT
SWITCH
Q256
DRIVER
Q620
1
FRONT PANEL
OPEN/CLOSE
DETECT
64
IPOD CHARGE
IPOD RX5V
CONTROL
SWITCH
Q254,255
CN250
5-2. BLOCK DIAGRAM – DISPLAY Section –
(Page 17)
(Page 17)
CDX-GT820IP
CDX-GT820IP
19
19
For Schematic Diagrams.
Note:
• All capacitors are in
• All capacitors are in
μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
Ω and
1
/
4
W or less unless otherwise
specifi ed.
• % : indicates tolerance.
•
•
f :
internal
component.
•
C : panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
•
A : B+ Line.
•
B : B– Line.
•
H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
(
)
:
AM
<
> : CD PLAY
• Voltages are taken with a VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J :
CD
F :
FM
f :
AM
L :
AUX
g : BUS AUDIO
c :
iPod
For Printed Wiring Boards.
Note:
•
•
X : Parts extracted from the component side.
•
Y : parts extracted from the conductor side.
•
a
:
Through
hole.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Waveforms
– MAIN Board –
– MAIN Board –
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen from
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Note: The components identifi ed by mark
0 or dotted
line with mark
0 are critical for safety.
Replace only with part number specifi ed.
–KEY Board –
2.1 Vp-p
6 MHz
3.1 Vp-p
32.768 kHz
1 V/DIV, 50 nsec/DIV
1 V/DIV, 10 μsec/DIV
IC303
RB (XOUT)
IC303
(XCOUT)
1.5 Vp-p
6.75 MHz
0.5 V/DIV, 50 nsec/DIV
IC901
RB (XOUT)
CDX-GT820IP
CDX-GT820IP
20
20
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
MASTER
FLASH
WRITER
DISPLAY
FLASH
WRITER
1-875-741-
11
R317
IC600
R630
IC620
C443
C455
C442
Q620
Q440 Q420
Q452 Q432
Q352
R448
R447
R442
R449
R450
R42
1
R452
R541
R431
IC401
C307
C453
C330
C305
C325
C304
C424
C444
C301
C312
C302
C320
C31
5
C454
C434
C616
C422
C433
C452C432
C423
C413
C414
C369
R455
R356
R456
R458
R457
IC601
L604
L407
L401
R600
R334
R355
R444
R441
R65
7
C309
D609
C338
R446
R609
R353
R352
R611
R610
R306
R314
D604
IC302
R401
C342
R606
R344
L408
R379
R607
C435
C425
C352
C445
R402
L410
R380
C418
C419
R405
Q605
D603
D602
R603
R604
R333
R701
Q601 Q602
D704
D701
D702
C706
C707
R616
D600
D706
D707
R617 R618
R601 R602
1
5
C31
9
R315
C681
C682
D705
R711
R712
C365
C367
Q703
R706
R707
R708
Q702
R703
R336
R704
Q701
R677
C628
D661
R56
R491
C161
R153
D491
C159
Q491 Q492
C158
R155
R151
R152
R34
7
C332
C3
R691
C8
R371
R619
R2
R3
R4
R5
D630
D631
R378
Q607
Q606
R659
R660
R658
C382
C383
R389
C379
R386
R387
R388
C791
Q3
R357
R35
8
R359
C70
5
R445
R667
C696
C68
9
C694
C6
IC301
C7
B C E
R10 D2
R12
R13
L4
R6
R7
C361
C690
C362
C310
R343
C311
Q404
Q405
D353
Q403
C402
R403
R647
R645
R644
D622
D623
D621
D620
R404
R635
R636
R637
C625
R621
R620
R634
R624
S D G
R622
R623
R669
R629
C624
Q622
Q621
R628
R627
L405
Q624
Q62
3
Q642
L40
6
R625
C412
C630
D625
R61
2
R613
D64
0
Q641
R639
C626
R640
R626
R631
D626
R633
C152
C153
C164
L402
C334
C333
C337
R310
C340
C331
R661
R339
R346
C317
R301
C318
R364
R365
R366
R481
R362
R632
R901
D612
D611
D613
D618
D617
D617
D616
D156
C162
R349
D605
C704
R348
C67
C634
C911
R312
R311
R322
L361
R323
C614
D615
D619
D614
D614
D610
C608
R309
R369
R345
C157
R351
R408
R615
R370
R325
R412
R409
R410
R335
C635
R373
R413
R414
L151
R415
R416
R337
C613
R614
IC303
R368
R304
R154
R305
R162
R350
R156
R161
R417
R331
R34
1
R34
2
R702
R418
D606
R313
C601
R668
R384
R385
D152
D151
L409
L1
L306
L308
L307
CN605
CN604
C261
D254
D254
C260
D253
D253
R810
R809
R281
R282
R282
R289
R283
R293
C259 D252 D25
6
R276
R277
R280
C251
IC250
Q254
Q252
R279
R275
R278
R274
Q255
Q253 Q256
R284
R287
R273
R285
R407
R406
C41
5
R420
R608
R411
C252
C695 C699
C698
Q152
Q153
Q151
R157
R160
R166
R159
R165
R158
C210
C220
R210
R221
C217
C218
R217
R222
Q213
C216
R216
Q211
C151
C213
R233 C21
4
C212
R232
C215
C211
R215
Q212
R220
R211
IC471
IC470
R367
R213
C368
R392
C370
Q154
Q156
Q155
Q157
Q210
C672
C691
R391
R360
R376
IC402
IC460
8
1
1
5
4
4
R461
C910
R372
R462
R478
R465
R477
R464
R466
R468
R469
R467
C470
R46
0
C467
C471 C468
R375
5-3. PRINTED WIRING BOARD – MAIN Section (1/2) –
•
: Uses unleaded solder.
D2
F-2
D156
H-2
D252
F-10
D253
E-10
D254
E-10
D256
F-10
D353
G-8
D491
D-7
D600
H-4
D602
C-10
D603
C-10
D604
C-10
D605
C-10
D606
C-10
D609
C-10
D610
I-2
D611
I-2
D612
I-2
D613
I-2
D614
I-2
D615
I-3
D616
H-3
D617
H-3
D618
H-3
D619
I-2
D620
I-7
D621
I-7
D622
H-8
D623
I-8
D625
H-9
D626
H-9
D630
H-4
D631
H-3
D640
H-9
D661
H-5
D701
D-8
D702
D-9
D704
D-8
D705
D-8
D706
D-7
D707
D-8
IC250
E-9
IC301
E-6
IC302
E-6
IC303
G-6
IC401
E-4
IC402
D-4
IC460
D-3
IC470
F-4
IC471
G-4
IC600
H-4
IC601
D-9
IC620
H-9
Q3
E-3
Q151
H-3
Q152
G-3
Q153
G-3
Q154
H-5
Q155
H-5
Q156
H-5
Q157
H-5
Q210
G-5
Q211
G-5
Q212
G-4
Q213
H-4
Q252
F-10
Q253
F-9
Q254
F-10
Q255
F-9
Q256
F-9
Q352
C-4
Q403
F-8
Q404
E-6
Q405
E-6
Q420
C-4
Q432
C-4
Q440
C-4
Q452
C-4
Q491
D-7
Q492
D-7
Q601
H-5
Q602
H-4
Q605
D-9
Q606
H-5
Q607
H-6
Q620
I-9
Q621
H-10
Q622
H-10
Q623
H-9
Q624
H-10
Q641
H-9
Q701
D-8
Q702
D-8
Q703
D-8
Ref. No. Location
• Semiconductor Location (Side A)
Ref. No. Location
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